7140255

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{28001}}^1$

素因数の和:28026

約数の個数: 16

約数和(自身を含む): 12096864

約数和(自身を除く): 4956609

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 28001, 84003, 140005, 420015, 476017, 1428051, 2380085, 7140255]

約数ペア:

[(1, 7140255), (3, 2380085), (5, 1428051), (15, 476017), (17, 420015), (51, 140005), (85, 84003), (255, 28001)]